Complementary Measurements

BAO, PISA, and NASA P-3B August 2, 2014.

BAO, PISA, and NASA P-3B August 2, 2014. Photo Courtesy of Andy Langford NOAA/ESRL/CSD.

This is a picture of the NASA P-3B as it is flying its spiral pattern over the Boulder Atmospheric Observatory’s (BAO) 300m tower near Erie, CO. Also in the picture is the PISA as it profiles the boundary -layer. The PISA is an instrument shelter designed to house various gas and aerosol sampling instruments riding the instrument carriage which is capable of profiling the boundary layer from the surface to 300m.

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Photo Courtesy of Andy Langford NOAA/ESRL/CSD.

The BAO tower site is operated by NOAA ESRL. A wide variety of instruments and investigators from multiple national laboratories and universities will be based at this site. LIDAR instruments will provide measurements of ozone, aerosols and meteorological data. Ground-based instruments will provide measurements of volatile organic compounds, peroxyacetyl nitrates, sulfur dioxide and ozone production rates. In-situ instruments on the 300 m tower will provide vertical profiles of ozone, reactive nitrogen species, gas phase acids and oxygenated VOCs, ammonia, methane, carbon dioxide, aerosol size distributions and extinction. In addition, the BAO will provide one base of operations for mobile laboratories that can make chemical and aerosol measurements across the Front Range domain. The overall goal of this effort is to understand sources, transport and chemical transformations of air pollutants, particularly those that lead to ground level ozone.

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